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Diff for /loncom/interface/loncommon.pm between versions 1.5 and 1.12

version 1.5, 2001/09/13 19:59:33 version 1.12, 2001/12/11 13:49:57
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network with CAPA
 # a pile of common routines  # a pile of common routines
 # 2/13 Guy Albertelli  #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   # YEAR=2001
   # 2/13-12/7 Guy Albertelli
   # 12/11 Scott Harrison
   
 # Makes a table out of the previous attempts  # Makes a table out of the previous attempts
 # Inputs result_from_symbread, user, domain, course_id  # Inputs result_from_symbread, user, domain, course_id
Line 8 Line 35
 package Apache::loncommon;  package Apache::loncommon;
   
 use strict;  use strict;
   use POSIX qw(strftime);
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::lonmsg();  use Apache::lonmsg();
   
   my %language;
   my %cprtag;
   my %fe; my %fd;
   
   # ----------------------------------------------------------------------- BEGIN
   sub BEGIN {
   # ------------------------------------------------------------------- languages
       {
    my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
    '/language.tab');
    while (<$fh>) {
       next if /^\#/;
       chomp;
       my ($key,$val)=(split(/\s+/,$_,2));
       $language{$key}=$val;
    }
       }
   # ------------------------------------------------------------------ copyrights
       {
    my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
    '/copyright.tab');
    while (<$fh>) {
       next if /^\#/;
       chomp;
       my ($key,$val)=(split(/\s+/,$_,2));
       $copyright{$key}=$val;
    }
       }
   # ------------------------------------------------------------------ file types
       {
    my $fh=Apache::File->new("$perlvar{'lonTabDir'}/filetypes.tab");
    while (<$fh>) {
       next if (/^\#/);
       chomp;
       my ($ending,$emb,$descr)=split(/\s+/,$_,3);
       if ($descr ne '') { 
    $fe{$ending}=lc($emb);
    $fd{$ending}=join(' ',@descr);
       }
    }
       }
   }
   
 sub get_previous_attempt {  sub get_previous_attempt {
   my ($symb,$username,$domain,$course)=@_;    my ($symb,$username,$domain,$course)=@_;
   my $prevattempts='';    my $prevattempts='';
Line 60  sub get_previous_attempt { Line 131  sub get_previous_attempt {
   }    }
 }  }
   
   sub get_student_view {
     my ($symb,$username,$domain,$courseid) = @_;
     my ($map,$id,$feedurl) = split(/___/,$symb);
     my (%old,%moreenv);
     my @elements=('symb','courseid','domain','username');
     foreach my $element (@elements) {
       $old{$element}=$ENV{'form.grade_'.$element};
       $moreenv{'form.grade_'.$element}=eval '$'.$element #'
     }
     &Apache::lonnet::appenv(%moreenv);
     my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
     &Apache::lonnet::delenv('form.grade_');
     foreach my $element (@elements) {
       $ENV{'form.grade_'.$element}=$old{$element};
     }
     $userview=~s/\<body[^\>]*\>//gi;
     $userview=~s/\<\/body\>//gi;
     $userview=~s/\<html\>//gi;
     $userview=~s/\<\/html\>//gi;
     $userview=~s/\<head\>//gi;
     $userview=~s/\<\/head\>//gi;
     $userview=~s/action\s*\=/would_be_action\=/gi;
     return $userview;
   }
   
   sub get_student_answers {
     my ($symb,$username,$domain,$courseid) = @_;
     my ($map,$id,$feedurl) = split(/___/,$symb);
     my (%old,%moreenv);
     my @elements=('symb','courseid','domain','username');
     foreach my $element (@elements) {
       $old{$element}=$ENV{'form.grade_'.$element};
       $moreenv{'form.grade_'.$element}=eval '$'.$element #'
     }
     $moreenv{'form.grade_target'}='answer';
     &Apache::lonnet::appenv(%moreenv);
     my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
     &Apache::lonnet::delenv('form.grade_');
     foreach my $element (@elements) {
       $ENV{'form.grade_'.$element}=$old{$element};
     }
     $userview=~s/\<body[^\>]*\>//gi;
     $userview=~s/\<\/body\>//gi;
     $userview=~s/\<html\>//gi;
     $userview=~s/\<\/html\>//gi;
     $userview=~s/\<head\>//gi;
     $userview=~s/\<\/head\>//gi;
     $userview=~s/action\s*\=/would_be_action\=/gi;
     return $userview;
   }
   
   sub get_unprocessed_cgi {
     my ($query)= @_;
     map {
       my ($name, $value) = split(/=/,$_);
       $value =~ tr/+/ /;
       $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
       if (!defined($ENV{'form.'.$name})) { $ENV{'form.'.$name}=$value; }
     } (split(/&/,$query));
   }
   
   sub cacheheader {
     my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
     my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
                   <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
                   <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
     return $output;
   }
   
   sub no_cache {
     my ($r) = @_;
     my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
     $r->no_cache(1);
     $r->header_out("Pragma" => "no-cache");
     $r->header_out("Expires" => $date);
   }
 1;  1;
 __END__;  __END__;
Removed from v.1.5  
changed lines
  Added in v.1.12

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